Finding the Fourth Proportional to 689,197.22, 950,952.80 and 402,661.95
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Solution
The fourth proportional to 689,197.22, 950,952.80 and 402,661.95 is: 555,592.07
Step by Step Solution
- Step 1: Write the proportion equation
689,197.22 : 950,952.80 = 402,661.95 : x - Step 2: Convert to fraction form
689,197.22/950,952.80 = 402,661.95/x - Step 3: Cross multiply
689,197.22x = 950,952.80 × 402,661.95 - Step 4: Simplify right side
689,197.22x = 382,912,506,792.65 - Step 5: Solve for x
x = 382,912,506,792.65/689,197.22 - Step 6: Final answer
x = 555,592.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.